Ceiling fan



FIG. 1 is a bottom perspective view of a new design for a ceiling fan;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a front elevational view thereof, the rear view being identical to FIG. 3 ;

FIG. 4 is a left side elevational view thereof, the right side view being identical to FIG. 4 ;

FIG. 5 is a bottom plan view thereof; and,

FIG. 6 is a top plan view thereof.

The broken lines shown in the drawings illustrate unclaimed portions and form no part of the claimed design. 

CLAIM The ornamental design for a ceiling fan, as shown and described. 